[Committed] S/390: Remove trailing zeros on 4-bytes opcodes.

Andreas Krebbel krebbel@linux.vnet.ibm.com
Thu Sep 10 07:06:00 GMT 2015


This is a NOP change only relevant when reading the file or parsing it
with other tools.

opcodes/ChangeLog:

2015-09-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* s390-opc.c: Add OP32 definition.
	* s390-opc.txt: Reduce the opcode padding of some extended
	mnemonics from 6 to the actual length (which is 4).
---
 opcodes/s390-opc.c   |  2 ++
 opcodes/s390-opc.txt | 14 +++++++-------
 2 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/opcodes/s390-opc.c b/opcodes/s390-opc.c
index befd171..2315f0b 100644
--- a/opcodes/s390-opc.c
+++ b/opcodes/s390-opc.c
@@ -256,6 +256,8 @@ const struct s390_operand s390_operands[] =
 /* 8/16/48 bit opcodes.  */
 #define OP8(x) { x, 0x00, 0x00, 0x00, 0x00, 0x00 }
 #define OP16(x) { x >> 8, x & 255, 0x00, 0x00, 0x00, 0x00 }
+#define OP32(x) { x >> 24, (x >> 16) & 255, (x >> 8) & 255, x & 255,	\
+		  0x00, 0x00 }
 #define OP48(x) { x >> 40, (x >> 32) & 255, (x >> 24) & 255, \
 		  (x >> 16) & 255, (x >> 8) & 255, x & 255}
 
diff --git a/opcodes/s390-opc.txt b/opcodes/s390-opc.txt
index aa1d6e2..7d04a8a 100644
--- a/opcodes/s390-opc.txt
+++ b/opcodes/s390-opc.txt
@@ -886,9 +886,9 @@ ec000000007e cij$12 RIE_R0PI "compare immediate and branch relative (32<8)" z10
 ec000000007e cij RIE_RUPI "compare immediate and branch relative (32<8)" z10 zarch
 ec000000007c cgij$12 RIE_R0PI "compare immediate and branch relative (64<8)" z10 zarch
 ec000000007c cgij RIE_RUPI "compare immediate and branch relative (64<8)" z10 zarch
-b97200000000 crt$16 RRF_00RR "compare and trap" z10 zarch
+b9720000 crt$16 RRF_00RR "compare and trap" z10 zarch
 b972 crt RRF_U0RR "compare and trap" z10 zarch
-b96000000000 cgrt$16 RRF_00RR "compare and trap 64" z10 zarch
+b9600000 cgrt$16 RRF_00RR "compare and trap 64" z10 zarch
 b960 cgrt RRF_U0RR "compare and trap 64" z10 zarch
 ec0000000072 cit$32 RIE_R0I0 "compare immediate and trap (32<16)" z10 zarch
 ec0000000072 cit RIE_R0IU "compare immediate and trap (32<16)" z10 zarch
@@ -924,9 +924,9 @@ ec000000007f clij$12 RIE_R0PU "compare logical immediate and branch relative (32
 ec000000007f clij RIE_RUPU "compare logical immediate and branch relative (32<8)" z10 zarch
 ec000000007d clgij$12 RIE_R0PU "compare logical immediate and branch relative (64<8)" z10 zarch
 ec000000007d clgij RIE_RUPU "compare logical immediate and branch relative (64<8)" z10 zarch
-b97300000000 clrt$16 RRF_00RR "compare logical and trap (32)" z10 zarch
+b9730000 clrt$16 RRF_00RR "compare logical and trap (32)" z10 zarch
 b973 clrt RRF_U0RR "compare logical and trap (32)" z10 zarch
-b96100000000 clgrt$16 RRF_00RR "compare logical and trap (64)" z10 zarch
+b9610000 clgrt$16 RRF_00RR "compare logical and trap (64)" z10 zarch
 b961 clgrt RRF_U0RR "compare logical and trap (64)" z10 zarch
 ec0000000073 clfit$32 RIE_R0U0 "compare logical and trap (32<16)" z10 zarch
 ec0000000073 clfit RIE_R0UU "compare logical and trap (32<16)" z10 zarch
@@ -1022,9 +1022,9 @@ eb00000000e6 laog RSY_RRRD "load and or 64 bit" z196 zarch
 c804 lpd SSF_RERDRD2 "load pair disjoint 32 bit" z196 zarch
 c805 lpdg SSF_RERDRD2 "load pair disjoint 64 bit" z196 zarch
 b9f2 locr RRF_U0RR "load on condition 32 bit" z196 zarch
-b9f200000000 locr*16 RRF_00RR "load on condition 32 bit" z196 zarch
+b9f20000 locr*16 RRF_00RR "load on condition 32 bit" z196 zarch
 b9e2 locgr RRF_U0RR "load on condition 64  bit" z196 zarch
-b9e200000000 locgr*16 RRF_00RR "load on condition 64  bit" z196 zarch
+b9e20000 locgr*16 RRF_00RR "load on condition 64  bit" z196 zarch
 eb00000000f2 loc RSY_RURD2 "load on condition 32 bit" z196 zarch
 eb00000000f2 loc*12 RSY_R0RD "load on condition 32 bit" z196 zarch
 eb00000000e2 locg RSY_RURD2 "load on condition 64 bit" z196 zarch
@@ -1663,7 +1663,7 @@ ed00000000ac cpdt RSL_LRDFU "convert from long dfp to packed" z13 zarch
 ed00000000ad cpxt RSL_LRDFEU "convert from extended dfp to packed" z13 zarch
 
 b9e0 locfhr RRF_U0RR "load high on condition from gpr" z13 zarch
-b9e000000000 locfhr*16 RRF_00RR "load high on condition from gpr" z13 zarch
+b9e00000 locfhr*16 RRF_00RR "load high on condition from gpr" z13 zarch
 eb00000000e0 locfh RSY_RURD2 "load high on condition from memory" z13 zarch
 eb00000000e0 locfh*12 RSY_R0RD "load high on condition from memory" z13 zarch
 ec0000000042 lochi RIE_RUI0 "load halfword immediate on condition into 32 bit gpr" z13 zarch
-- 
1.9.1



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